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authorpatrick <patrick@openbsd.org>2020-08-03 15:06:44 +0000
committerpatrick <patrick@openbsd.org>2020-08-03 15:06:44 +0000
commitb64793999546ed8adebaeebd9d8345d18db8927d (patch)
tree4357c27b561d73b0e089727c6ed659f2ceff5f47 /gnu/llvm/utils/TableGen/CodeGenTarget.h
parentAdd support for UTF-8 DISPLAY-HINTs with octet length. For now only (diff)
downloadwireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.tar.xz
wireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.zip
Remove LLVM 8.0.1 files.
Diffstat (limited to 'gnu/llvm/utils/TableGen/CodeGenTarget.h')
-rw-r--r--gnu/llvm/utils/TableGen/CodeGenTarget.h216
1 files changed, 0 insertions, 216 deletions
diff --git a/gnu/llvm/utils/TableGen/CodeGenTarget.h b/gnu/llvm/utils/TableGen/CodeGenTarget.h
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--- a/gnu/llvm/utils/TableGen/CodeGenTarget.h
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-//===- CodeGenTarget.h - Target Class Wrapper -------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines wrappers for the Target class and related global
-// functionality. This makes it easier to access the data and provides a single
-// place that needs to check it for validity. All of these classes abort
-// on error conditions.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_UTILS_TABLEGEN_CODEGENTARGET_H
-#define LLVM_UTILS_TABLEGEN_CODEGENTARGET_H
-
-#include "CodeGenHwModes.h"
-#include "CodeGenInstruction.h"
-#include "CodeGenRegisters.h"
-#include "InfoByHwMode.h"
-#include "SDNodeProperties.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/TableGen/Record.h"
-#include <algorithm>
-
-namespace llvm {
-
-struct CodeGenRegister;
-class CodeGenSchedModels;
-class CodeGenTarget;
-
-/// getValueType - Return the MVT::SimpleValueType that the specified TableGen
-/// record corresponds to.
-MVT::SimpleValueType getValueType(Record *Rec);
-
-StringRef getName(MVT::SimpleValueType T);
-StringRef getEnumName(MVT::SimpleValueType T);
-
-/// getQualifiedName - Return the name of the specified record, with a
-/// namespace qualifier if the record contains one.
-std::string getQualifiedName(const Record *R);
-
-/// CodeGenTarget - This class corresponds to the Target class in the .td files.
-///
-class CodeGenTarget {
- RecordKeeper &Records;
- Record *TargetRec;
-
- mutable DenseMap<const Record*,
- std::unique_ptr<CodeGenInstruction>> Instructions;
- mutable std::unique_ptr<CodeGenRegBank> RegBank;
- mutable std::vector<Record*> RegAltNameIndices;
- mutable SmallVector<ValueTypeByHwMode, 8> LegalValueTypes;
- CodeGenHwModes CGH;
- void ReadRegAltNameIndices() const;
- void ReadInstructions() const;
- void ReadLegalValueTypes() const;
-
- mutable std::unique_ptr<CodeGenSchedModels> SchedModels;
-
- mutable std::vector<const CodeGenInstruction*> InstrsByEnum;
- mutable unsigned NumPseudoInstructions = 0;
-public:
- CodeGenTarget(RecordKeeper &Records);
- ~CodeGenTarget();
-
- Record *getTargetRecord() const { return TargetRec; }
- const StringRef getName() const;
-
- /// getInstNamespace - Return the target-specific instruction namespace.
- ///
- StringRef getInstNamespace() const;
-
- /// getInstructionSet - Return the InstructionSet object.
- ///
- Record *getInstructionSet() const;
-
- /// getAllowRegisterRenaming - Return the AllowRegisterRenaming flag value for
- /// this target.
- ///
- bool getAllowRegisterRenaming() const;
-
- /// getAsmParser - Return the AssemblyParser definition for this target.
- ///
- Record *getAsmParser() const;
-
- /// getAsmParserVariant - Return the AssmblyParserVariant definition for
- /// this target.
- ///
- Record *getAsmParserVariant(unsigned i) const;
-
- /// getAsmParserVariantCount - Return the AssmblyParserVariant definition
- /// available for this target.
- ///
- unsigned getAsmParserVariantCount() const;
-
- /// getAsmWriter - Return the AssemblyWriter definition for this target.
- ///
- Record *getAsmWriter() const;
-
- /// getRegBank - Return the register bank description.
- CodeGenRegBank &getRegBank() const;
-
- /// getRegisterByName - If there is a register with the specific AsmName,
- /// return it.
- const CodeGenRegister *getRegisterByName(StringRef Name) const;
-
- const std::vector<Record*> &getRegAltNameIndices() const {
- if (RegAltNameIndices.empty()) ReadRegAltNameIndices();
- return RegAltNameIndices;
- }
-
- const CodeGenRegisterClass &getRegisterClass(Record *R) const {
- return *getRegBank().getRegClass(R);
- }
-
- /// getRegisterVTs - Find the union of all possible SimpleValueTypes for the
- /// specified physical register.
- std::vector<ValueTypeByHwMode> getRegisterVTs(Record *R) const;
-
- ArrayRef<ValueTypeByHwMode> getLegalValueTypes() const {
- if (LegalValueTypes.empty())
- ReadLegalValueTypes();
- return LegalValueTypes;
- }
-
- CodeGenSchedModels &getSchedModels() const;
-
- const CodeGenHwModes &getHwModes() const { return CGH; }
-
-private:
- DenseMap<const Record*, std::unique_ptr<CodeGenInstruction>> &
- getInstructions() const {
- if (Instructions.empty()) ReadInstructions();
- return Instructions;
- }
-public:
-
- CodeGenInstruction &getInstruction(const Record *InstRec) const {
- if (Instructions.empty()) ReadInstructions();
- auto I = Instructions.find(InstRec);
- assert(I != Instructions.end() && "Not an instruction");
- return *I->second;
- }
-
- /// Returns the number of predefined instructions.
- static unsigned getNumFixedInstructions();
-
- /// Returns the number of pseudo instructions.
- unsigned getNumPseudoInstructions() const {
- if (InstrsByEnum.empty())
- ComputeInstrsByEnum();
- return NumPseudoInstructions;
- }
-
- /// Return all of the instructions defined by the target, ordered by their
- /// enum value.
- /// The following order of instructions is also guaranteed:
- /// - fixed / generic instructions as declared in TargetOpcodes.def, in order;
- /// - pseudo instructions in lexicographical order sorted by name;
- /// - other instructions in lexicographical order sorted by name.
- ArrayRef<const CodeGenInstruction *> getInstructionsByEnumValue() const {
- if (InstrsByEnum.empty())
- ComputeInstrsByEnum();
- return InstrsByEnum;
- }
-
- typedef ArrayRef<const CodeGenInstruction *>::const_iterator inst_iterator;
- inst_iterator inst_begin() const{return getInstructionsByEnumValue().begin();}
- inst_iterator inst_end() const { return getInstructionsByEnumValue().end(); }
-
-
- /// isLittleEndianEncoding - are instruction bit patterns defined as [0..n]?
- ///
- bool isLittleEndianEncoding() const;
-
- /// reverseBitsForLittleEndianEncoding - For little-endian instruction bit
- /// encodings, reverse the bit order of all instructions.
- void reverseBitsForLittleEndianEncoding();
-
- /// guessInstructionProperties - should we just guess unset instruction
- /// properties?
- bool guessInstructionProperties() const;
-
-private:
- void ComputeInstrsByEnum() const;
-};
-
-/// ComplexPattern - ComplexPattern info, corresponding to the ComplexPattern
-/// tablegen class in TargetSelectionDAG.td
-class ComplexPattern {
- MVT::SimpleValueType Ty;
- unsigned NumOperands;
- std::string SelectFunc;
- std::vector<Record*> RootNodes;
- unsigned Properties; // Node properties
- unsigned Complexity;
-public:
- ComplexPattern(Record *R);
-
- MVT::SimpleValueType getValueType() const { return Ty; }
- unsigned getNumOperands() const { return NumOperands; }
- const std::string &getSelectFunc() const { return SelectFunc; }
- const std::vector<Record*> &getRootNodes() const {
- return RootNodes;
- }
- bool hasProperty(enum SDNP Prop) const { return Properties & (1 << Prop); }
- unsigned getComplexity() const { return Complexity; }
-};
-
-} // End llvm namespace
-
-#endif